Exposure
- ID
- GRAVI.2025-06-10T04:03:35.289_2
- Header ID
- GRAVI.2025-06-10T04:03:35.289
- Date updated
- 2025-06-10 04:20:53 UTC+0000
- Release date
- 2026-06-10 04:20:53 UTC+0000
- UTC Start
- 2025-06-10 04:03:35.289
- UTC End
- 2025-06-10 04:09:35.289
- MJD Start
- 60836.16915844
- MJD End
- 60836.17332510667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053355
- Ambient temperature (°C)
- 13.14
- Seeing (arcsec)
- 0.505
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5310 | 56.5430 | 17.8000 | 18.6000 |
| U1-U3 | 102.2360 | 102.2950 | 23.9000 | 24.8000 |
| U1-U4 | 128.0060 | 128.4460 | 51.2750 | 52.2170 |
| U2-U3 | 46.4150 | 46.4710 | 31.3000 | 32.2000 |
| U2-U4 | 86.6660 | 87.1630 | 72.3690 | 73.2570 |
| U3-U4 | 59.9770 | 60.3810 | 102.9100 | 103.6060 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.16915844 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416537 |
| DEC | -29.00738 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.531 |
| HIERARCH ESO ISS PBL12 END | 56.543 |
| HIERARCH ESO ISS PBLA12 START | 17.8 |
| HIERARCH ESO ISS PBLA12 END | 18.6 |
| HIERARCH ESO ISS PBL13 START | 102.236 |
| HIERARCH ESO ISS PBL13 END | 102.295 |
| HIERARCH ESO ISS PBLA13 START | 23.9 |
| HIERARCH ESO ISS PBLA13 END | 24.8 |
| HIERARCH ESO ISS PBL14 START | 128.006 |
| HIERARCH ESO ISS PBL14 END | 128.446 |
| HIERARCH ESO ISS PBLA14 START | 51.275 |
| HIERARCH ESO ISS PBLA14 END | 52.217 |
| HIERARCH ESO ISS PBL23 START | 46.415 |
| HIERARCH ESO ISS PBL23 END | 46.471 |
| HIERARCH ESO ISS PBLA23 START | 31.3 |
| HIERARCH ESO ISS PBLA23 END | 32.2 |
| HIERARCH ESO ISS PBL24 START | 86.666 |
| HIERARCH ESO ISS PBL24 END | 87.163 |
| HIERARCH ESO ISS PBLA24 START | 72.369 |
| HIERARCH ESO ISS PBLA24 END | 73.257 |
| HIERARCH ESO ISS PBL34 START | 59.977 |
| HIERARCH ESO ISS PBL34 END | 60.381 |
| HIERARCH ESO ISS PBLA34 START | 102.91 |
| HIERARCH ESO ISS PBLA34 END | 103.606 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005691 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00498 |
| HIERARCH ESO ISS AMBI TEMP | 13.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |